:root {
    --primary: #0f172a;
    --primary-light: #1e293b;
    --primary-dark: #020617;
    --accent: #ea580c;
    --accent-hover: #c2410c;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --text-dark: #0f172a;
    --text-light: #475569;
    --border-color: #e2e8f0;
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(15,23,42,0.1), 0 2px 4px -2px rgba(15,23,42,0.1);
    --shadow-lg: 0 20px 25px -5px rgba(15,23,42,0.1), 0 8px 10px -6px rgba(15,23,42,0.1);
    --radius: 4px;
    --radius-lg: 8px;
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: var(--font-sans); background-color: var(--bg-light); color: var(--text-dark); line-height: 1.5; display: flex; flex-direction: column; min-height: 100vh; }
header { background-color: var(--bg-white); position: sticky; top: 0; z-index: 100; border-bottom: 2px solid var(--accent); box-shadow: var(--shadow-sm); }
.header-container { max-width: 1200px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; padding: 1.2rem 2rem; }
.logo { display: flex; align-items: center; gap: 0.5rem; font-size: 1.4rem; font-weight: 800; color: var(--primary); text-decoration: none; }
.logo span { color: var(--accent); }
.logo svg { width: 30px; height: 30px; fill: var(--primary); }
nav { display: flex; align-items: center; gap: 2rem; }
nav a { text-decoration: none; color: var(--text-light); font-weight: 600; transition: var(--transition); font-size: 0.9rem; }
nav a:hover, nav a.active { color: var(--accent); }
.nav-cta { background-color: var(--accent); color: var(--bg-white); padding: 0.5rem 1rem; border-radius: var(--radius); }
.nav-cta:hover { background-color: var(--accent-hover); color: var(--bg-white); }
.burger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; }
.burger span { display: block; width: 22px; height: 3px; background-color: var(--primary); }
main { flex: 1; }
.hero { background-color: var(--primary); color: var(--bg-white); padding: 6rem 2rem; border-bottom: 4px solid var(--accent); }
.hero-container { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 1.25fr 0.75fr; gap: 4rem; align-items: center; }
.hero-content h1 { font-size: 2.75rem; font-weight: 800; line-height: 1.2; margin-bottom: 1.5rem; color: var(--bg-white); }
.hero-content p { font-size: 1.1rem; opacity: 0.85; margin-bottom: 2rem; }
.hero-badge { display: inline-flex; align-items: center; background-color: var(--accent); color: var(--bg-white); padding: 0.3rem 0.8rem; border-radius: var(--radius); font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 1.5rem; }
.hero-actions { display: flex; gap: 1rem; }
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 0.75rem 1.75rem; font-size: 0.95rem; font-weight: 700; border-radius: var(--radius); text-decoration: none; transition: var(--transition); cursor: pointer; }
.btn-primary { background-color: var(--accent); color: var(--bg-white); border: 1px solid var(--accent); }
.btn-primary:hover { background-color: var(--accent-hover); }
.btn-secondary { background-color: transparent; color: var(--bg-white); border: 2px solid rgba(255,255,255,0.3); }
.btn-secondary:hover { border-color: var(--bg-white); }
.hero-visual { display: flex; justify-content: center; }
.hero-svg-wrapper { width: 100%; max-width: 350px; height: auto; }
.section { padding: 5rem 2rem; }
.section-alt { background-color: var(--bg-white); }
.container { max-width: 1200px; margin: 0 auto; }
.section-header { text-align: center; max-width: 700px; margin: 0 auto 4rem; }
.section-header h2 { font-size: 2rem; color: var(--primary); margin-bottom: 1rem; }
.section-header p { color: var(--text-light); font-size: 1rem; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
.card { background-color: var(--bg-white); padding: 2.5rem; border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); border: 1px solid var(--border-color); transition: var(--transition); }
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); border-color: var(--accent); }
.card-icon { width: 44px; height: 44px; background-color: rgba(234,88,12,0.1); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; margin-bottom: 1.5rem; }
.card-icon svg { width: 22px; height: 22px; fill: var(--accent); }
.card h3 { font-size: 1.2rem; margin-bottom: 1rem; color: var(--primary); }
.card p { color: var(--text-light); font-size: 0.9rem; }
.page-header { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); color: var(--bg-white); padding: 5rem 2rem; text-align: center; border-bottom: 3px solid var(--accent); }
.page-header h1 { font-size: 2.2rem; margin-bottom: 0.75rem; }
.page-header p { font-size: 1rem; opacity: 0.85; max-width: 600px; margin: 0 auto; }
.two-col-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.text-content h2 { font-size: 1.6rem; color: var(--primary); margin-bottom: 1.5rem; }
.text-content p { color: var(--text-light); margin-bottom: 1.5rem; font-size: 0.95rem; }
.text-content ul { margin-bottom: 1.5rem; padding-left: 1.5rem; color: var(--text-light); font-size: 0.95rem; }
.text-content li { margin-bottom: 0.5rem; }
.calculator-box { background-color: var(--bg-white); padding: 3rem; border-radius: var(--radius-lg); box-shadow: var(--shadow-md); border: 1px solid var(--border-color); max-width: 800px; margin: 0 auto; }
.form-group { margin-bottom: 1.5rem; }
.form-group label { display: block; margin-bottom: 0.5rem; font-weight: 700; color: var(--primary); font-size: 0.95rem; }
.form-control { width: 100%; padding: 0.8rem 1rem; border: 1px solid var(--border-color); border-radius: var(--radius); font-family: var(--font-sans); font-size: 0.95rem; background-color: var(--bg-light); transition: var(--transition); }
.form-control:focus { outline: none; border-color: var(--accent); background-color: var(--bg-white); box-shadow: 0 0 0 3px rgba(234,88,12,0.1); }
.calc-results { margin-top: 2.5rem; padding-top: 2rem; border-top: 2px dashed var(--border-color); display: none; }
.calc-results.active { display: block; animation: fadeIn 0.4s ease-out; }
.results-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-top: 1.5rem; }
.result-item { background-color: var(--bg-light); padding: 1.2rem; border-radius: var(--radius); border-left: 4px solid var(--accent); }
.result-val { font-size: 1.4rem; font-weight: 700; color: var(--primary); margin-top: 0.2rem; }
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 4rem; }
.contact-info-panel { background-color: var(--primary); color: var(--bg-white); padding: 3rem; border-radius: var(--radius-lg); }
.contact-info-panel h3 { font-size: 1.3rem; margin-bottom: 2rem; color: var(--accent); }
.info-item { display: flex; gap: 1rem; margin-bottom: 2rem; }
.info-item svg { width: 22px; height: 22px; fill: var(--accent); flex-shrink: 0; }
.info-item p { opacity: 0.85; font-size: 0.95rem; }
.contact-form-panel { background-color: var(--bg-white); padding: 3rem; border-radius: var(--radius-lg); border: 1px solid var(--border-color); }
#toast-container { position: fixed; bottom: 20px; right: 20px; z-index: 1000; }
.toast { background-color: var(--primary); color: var(--bg-white); padding: 1rem 1.5rem; border-radius: var(--radius); box-shadow: var(--shadow-lg); margin-top: 10px; font-size: 0.95rem; display: flex; align-items: center; gap: 0.75rem; border-left: 5px solid var(--accent); transform: translateY(100px); opacity: 0; transition: all 0.4s ease; }
.toast.show { transform: translateY(0); opacity: 1; }
.policy-box { background-color: var(--bg-white); padding: 3.5rem; border-radius: var(--radius-lg); border: 1px solid var(--border-color); max-width: 900px; margin: 0 auto; }
.policy-box h2 { font-size: 1.4rem; color: var(--primary); margin: 2rem 0 1rem; }
.policy-box p { color: var(--text-light); margin-bottom: 1.2rem; font-size: 0.95rem; }
footer { background-color: var(--primary-dark); color: var(--bg-white); padding: 4rem 2rem 2rem; border-top: 1px solid rgba(255,255,255,0.05); }
.footer-container { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 1.2fr 0.8fr 0.8fr 1.2fr; gap: 3rem; margin-bottom: 3rem; }
.footer-col h4 { font-size: 1rem; margin-bottom: 1.5rem; color: var(--accent); }
.footer-col p { opacity: 0.75; font-size: 0.9rem; margin-bottom: 1rem; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 0.8rem; }
.footer-links a { color: var(--bg-white); text-decoration: none; opacity: 0.75; font-size: 0.9rem; transition: var(--transition); }
.footer-links a:hover { opacity: 1; color: var(--accent); padding-left: 4px; }
.footer-bottom { max-width: 1200px; margin: 0 auto; padding-top: 2rem; border-top: 1px solid rgba(255,255,255,0.05); display: flex; justify-content: space-between; align-items: center; font-size: 0.85rem; opacity: 0.6; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(15px); } to { opacity: 1; transform: translateY(0); } }
@media (max-width: 992px) {
    .hero-container { grid-template-columns: 1fr; text-align: center; gap: 3rem; }
    .hero-content p { margin: 0 auto 2rem; }
    .hero-actions { justify-content: center; }
    .two-col-layout { grid-template-columns: 1fr; gap: 3rem; }
    .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
    .footer-container { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    nav { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background-color: var(--bg-white); border-bottom: 1px solid var(--border-color); padding: 2rem; gap: 1.5rem; box-shadow: var(--shadow-md); }
    nav.active { display: flex; animation: fadeIn 0.3s ease-out; }
    .burger { display: flex; }
    .footer-container { grid-template-columns: 1fr; gap: 2rem; }
}